CN1129115C - 在音频信号中产生谐波的装置 - Google Patents

在音频信号中产生谐波的装置 Download PDF

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Publication number
CN1129115C
CN1129115C CN00128550A CN00128550A CN1129115C CN 1129115 C CN1129115 C CN 1129115C CN 00128550 A CN00128550 A CN 00128550A CN 00128550 A CN00128550 A CN 00128550A CN 1129115 C CN1129115 C CN 1129115C
Authority
CN
China
Prior art keywords
signal
frequency
filter
low
pass filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN00128550A
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English (en)
Chinese (zh)
Other versions
CN1304132A (zh
Inventor
麦蒂阿斯·维尔萨勒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Entropic Communications LLC
Original Assignee
MEIKENAS CO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MEIKENAS CO filed Critical MEIKENAS CO
Publication of CN1304132A publication Critical patent/CN1304132A/zh
Application granted granted Critical
Publication of CN1129115C publication Critical patent/CN1129115C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN00128550A 1999-11-18 2000-11-17 在音频信号中产生谐波的装置 Expired - Fee Related CN1129115C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19955696A DE19955696A1 (de) 1999-11-18 1999-11-18 Vorrichtung zur Erzeugung von Oberwellen in einem Audiosignal
DE19955696.2 1999-11-18

Publications (2)

Publication Number Publication Date
CN1304132A CN1304132A (zh) 2001-07-18
CN1129115C true CN1129115C (zh) 2003-11-26

Family

ID=7929624

Family Applications (1)

Application Number Title Priority Date Filing Date
CN00128550A Expired - Fee Related CN1129115C (zh) 1999-11-18 2000-11-17 在音频信号中产生谐波的装置

Country Status (6)

Country Link
US (2) US6792115B1 (fr)
EP (1) EP1107640A3 (fr)
JP (1) JP4360747B2 (fr)
KR (1) KR100772279B1 (fr)
CN (1) CN1129115C (fr)
DE (1) DE19955696A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4286510B2 (ja) * 2002-09-09 2009-07-01 パナソニック株式会社 音響信号処理装置及びその方法
US7248702B2 (en) * 2003-01-06 2007-07-24 Thomas Nelson Packard Sound enhancement system
KR100612012B1 (ko) * 2004-05-28 2006-08-11 삼성전자주식회사 스피커 재생 시스템에 있어서 고조파 발생방법 및 그 장치
US20060293089A1 (en) * 2005-06-22 2006-12-28 Magix Ag System and method for automatic creation of digitally enhanced ringtones for cellphones
JP2008085412A (ja) * 2006-09-26 2008-04-10 Sony Corp オーディオ再生装置
KR101310231B1 (ko) * 2007-01-18 2013-09-25 삼성전자주식회사 저음 증강 장치 및 방법
JP5046786B2 (ja) * 2007-08-10 2012-10-10 三菱電機株式会社 擬似重低音生成装置
KR101613684B1 (ko) * 2009-12-09 2016-04-19 삼성전자주식회사 음향 신호 보강 처리 장치 및 방법
US20110191516A1 (en) * 2010-02-04 2011-08-04 True Xiong Universal touch-screen remote controller
US9060223B2 (en) 2013-03-07 2015-06-16 Aphex, Llc Method and circuitry for processing audio signals
EP3453187B1 (fr) 2016-05-25 2020-05-13 Huawei Technologies Co., Ltd. Étage de traitement de signal audio, appareil de traitement de signal audio et procédé de traitement de signal audio
US10390137B2 (en) * 2016-11-04 2019-08-20 Hewlett-Packard Dvelopment Company, L.P. Dominant frequency processing of audio signals

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150253A (en) * 1976-03-15 1979-04-17 Inter-Technology Exchange Ltd. Signal distortion circuit and method of use
US4463650A (en) * 1981-11-19 1984-08-07 Rupert Robert E System for converting oral music to instrumental music
US4700390A (en) 1983-03-17 1987-10-13 Kenji Machida Signal synthesizer
US4532848A (en) * 1984-01-09 1985-08-06 Kawai Musical Instrument Mfg. Co., Ltd. Generation of mutation pitches in an electronic musical instrument
DE4111884A1 (de) * 1991-04-09 1992-10-15 Klippel Wolfgang Schaltungsanordnung zur korrektur des linearen und nichtlinearen uebertragungsverhaltens elektroakustischer wandler
JP3063237B2 (ja) 1991-06-21 2000-07-12 松下電器産業株式会社 音響再生装置の低音域補正回路
US5388159A (en) * 1991-12-20 1995-02-07 Clarion Co., Ltd. Equalizing circuit for reproduced signals
ATE173866T1 (de) 1992-07-31 1998-12-15 Aphex Systems Ltd Anordnung zur anhebung der bassfrequenz eines audiosignals
US6275593B1 (en) * 1996-05-10 2001-08-14 True Dimensional Sound, Inc. Apparatus and methods for the harmonic enhancement of electronic audio signals
BE1007574A6 (nl) * 1993-10-04 1995-08-08 Feremans Eric Edmond Werkwijze en inrichting voor het verwerken van signalen.
EP0706299B1 (fr) * 1994-10-06 2004-12-01 Fidelix Y.K. Méthode de reproduction de signaux audio et dispositif pour sa mise en oeuvre
TW275179B (en) * 1994-11-17 1996-05-01 Matsushita Electric Industrial Co Ltd Audio circuit
JPH08237800A (ja) * 1995-02-27 1996-09-13 Matsushita Electric Ind Co Ltd 低音増強回路
JP3432517B2 (ja) * 1995-03-28 2003-08-04 エリック エドモンド フェルマンズ 信号処理の方法及び装置
TW343417B (en) * 1996-05-08 1998-10-21 Philips Eloctronics N V Circuit, audio system and method for processing signals, and a harmonics generator
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
US6456718B1 (en) * 1997-05-05 2002-09-24 Us Philips Corporation Audio system
WO1999025150A1 (fr) * 1997-11-07 1999-05-20 Koninklijke Philips Electronics N.V. Ensemble haute fidelite comprenant un circuit de traitement du signal son
US6215879B1 (en) * 1997-11-19 2001-04-10 Philips Semiconductors, Inc. Method for introducing harmonics into an audio stream for improving three dimensional audio positioning
KR100684054B1 (ko) * 1998-09-08 2007-02-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 시스템의 베이스 강화 수단
WO2000039786A1 (fr) * 1998-12-24 2000-07-06 Korg Incorporated Procede et appareil de production d'effet sonore et support de stockage d'un programme

Also Published As

Publication number Publication date
JP4360747B2 (ja) 2009-11-11
KR20010051758A (ko) 2001-06-25
US6792115B1 (en) 2004-09-14
EP1107640A2 (fr) 2001-06-13
CN1304132A (zh) 2001-07-18
KR100772279B1 (ko) 2007-11-01
US20050141727A1 (en) 2005-06-30
EP1107640A3 (fr) 2005-06-29
JP2001177891A (ja) 2001-06-29
DE19955696A1 (de) 2001-06-13

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Effective date: 20101111

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Patentee after: Trident Microsystems (Far East) Ltd.

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Patentee before: Meikenas Co.

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Owner name: ENTROPIC COMMUNICATIONS, INC.

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Effective date: 20131111

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Patentee after: Entropic Communications, Inc.

Address before: Cayman Islands (UK) Grand Cayman

Patentee before: Trident Microsystems (Far East) Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20031126

Termination date: 20141117

EXPY Termination of patent right or utility model